jin1956121用c51编写的万年历 LCD1602液晶显示.定时闹钟
2009-12-11 10:04
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//晋广周2009/10/20日完成编写的万年历
//用LCD1602液晶显示.定时闹钟 .
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
uchar code table[]="2000:01:01Week:W";//
uchar code table1[]="1:00:00:00#00:00";
sbit lcd_rs=P2^4;//定义LCD端口
sbit lcd_rw=P2^3;
sbit lcd_en=P2^2;
sbit k1=P3^0;//菜单键光标位
sbit k2=P3^1;//加键
sbit k3=P3^2;//减键
sbit k4=P3^3;//退出键
sbit werr=P3^2;
sbit DUAN=P2^0;//数码管段
sbit WEI=P2^1;//数码管位
void yue31();//大月
void yue30();//小月
void yue29();//闰天
void yue28();//平月
//void timing();
void Timing();
void week7();
void wei_1()
{
WEI=1;
P0=0;
WEI=0;
}
void duan_1()
{
DUAN=1;
P0=0;
DUAN=0;
}
uchar count, k1num;//声明秒的变量
char shi,fen,miao;//声明时分秒
uint nian, yue,ri,week;//声明年月日星期
uchar f,s,n;//定时器/
void delay(uchar z)//延时函数
{
uchar x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(uchar com)//lcd写指令
{
lcd_rs=0;
lcd_rw=0;
lcd_en=0;
P0=com;
delay(5);
lcd_en=1;
delay(5);
lcd_en=0;
}
void write_data(uchar date)//lcd写数据
{
lcd_rs=1;
lcd_rw=0;
lcd_en=0;
P0=date;
delay(5);
lcd_en=1;
delay(5);
lcd_en=0;
}
void write_week(uchar add,uchar date)//计算星期显示位
{
uchar ge;
ge=date/1;
write_com(0x80+0x00+add);
write_data(0x30+ge);
}
void write_tim(uchar add,uchar date)
{
uchar ge;
ge=date/1;
write_com(0x80+0x40+add);
write_data(0x30+ge);
}
void write_fsm(uchar add,uchar date)//计算时分秒位
{
uchar shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_data(0x30+shi);
write_data(0x30+ge);
}
void write_nyr(uchar add,uchar date)//计算月日位
{
uint shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x00+add);
write_data(0x30+shi);
write_data(0x30+ge);
}
void write_nian(uchar add,uchar date)//计算年位,年是百位
{
uint bai,shi,ge;
bai=date/100%10;
shi=date/10;
ge=date%10;
write_com(0x80+0x00+add);
write_data(0x30+bai);
write_data(0x30+shi);
write_data(0x30+ge);
}
void jiaxian()//设置键盘加显
{
if(k1num!=0)
{
if(k2==0)
{
delay(5);
if(k2==0)
{
while(!k2);
if(k1num==1)
{
miao++;
if(miao==60)
miao=0;
write_fsm(8,miao);
write_com(0x80+0x40+8);
}
if(k1num==2)
{
fen++;
if(fen==60)
fen=0;
write_fsm(5,fen);
write_com(0x80+0x40+5);
}
if(k1num==3)
{
shi++;
if(shi==24)
shi=0;
write_fsm(2,shi);
write_com(0x80+0x40+2);
}
if(k1num==4)
{
ri++;
if(ri==31)
ri=1;
write_nyr(8,ri);
write_com(0x80+0x00+8);
}
if(k1num==5)
{
yue++;
if(yue==12)
yue=1;
write_nyr(5,yue);
write_com(0x80+0x00+5);
}
if(k1num==6)
{
nian++;
if(nian==999)
nian=0;
write_nian(1,nian);
write_com(0x80+0x00+1);
}
if(k1num==7)
{
week++;
if(week>7)
week=1;
write_week(15,week);
write_com(0x80+0x00+15);
}
if(k1num==8)
{
s++;
if(s==24)s=0;
write_fsm(11,s);
write_com(0x80+0x40+11);
}
if(k1num==9)
{
f++;
if(f==59)f=0;
write_fsm(14,f);
write_com(0x80+0x40+14);
}
if(k1num==10)
{
n++;
if(n==3)
n=1;
write_tim(0,n);
write_com(0x80+0x40+0);
}
}
}
}
}
void jianxian()//设置键盘减显
{
if(k1num!=0)
{
if(k3==0)//K3设置
delay(5);
if(k3==0)
{
while(!k3);
if(k1num==1)
{
miao--;
if(miao==-1)
miao=59;
write_fsm(11,miao);
write_com(0x80+0x40+11);
}
if(k1num==2)
{
delay(5);
fen--;
if(fen==-1)
fen=59;
write_fsm(8,fen);
write_com(0x80+0x40+8);
}
if(k1num==3)
{
shi--;
if(shi==-1)
shi=23;
write_fsm(5,shi);
write_com(0x80+0x40+5);
}
}
}
}
void keyk4()//K4是锁定
{
if(k4==0)
{
delay(5);
if(k4==0)
TR0=1;
{
while(!k4);
k1num=0;
write_com(0x0c);
}
}
}
void keyk1()//菜单光标设置
{
if(k1==0)
{
delay(5);
if(k1==0)
{
while(!k1);
k1num++;
TR0=0;
if(k1num==1)
{
write_com(0x80+0x40+8);
write_com(0x0f);
}
if(k1num==2)
{
write_com(0x80+0x40+5);
}
if(k1num==3)
{
write_com(0x80+0x40+2);
}
if(k1num==4)
{
write_com(0x80+0x00+8);
}
if(k1num==5)
{
write_com(0x80+0x00+5);
}
if(k1num==6)
{
write_com(0x80+0x00+1);
}
if(k1num==7)
{
write_com(0x80+0x00+18);
}
if(k1num==8)
{
write_com(0x80+0x40+11);
}
if(k1num==9)
{
write_com(0x80+0x40+14);
}
if(k1num==10)
{write_com(0x80+0x40+0);}
}
}
jiaxian();
//jianxian();
keyk4();
}
void init()//启动 LCD初始化数据
{
uchar num;
lcd_rs=0;
lcd_en=0;
shi=0;
fen=0;
miao=0;
nian=0000;
week=0x27;
yue=1;
ri=1;
s=06;
f=10;
n=1;
write_com(0x38);//不监察忙信号
write_com(0x0c);//显示开光标设置
write_com(0x06);//显示光标移动设置
write_com(0x01);//显示清屏
write_com(0x80);//数据指针
write_com(0x80+0x00);
for(num=0;num<16;num++)//延时15ms
{
write_data(table[num]);//年月日的数据延时
delay(5);
}
write_com(0x80+0x40);
for(num=0;num<16;num++)
{
write_data(table1[num]);//时的延时
delay(5);
}//时钟初始化设置
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
}
void display()
{
if(count==18)//是秒是的时间
{
count=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
fen=0;
shi++;
if(shi==24)
{
shi=0;
ri++;
week++;
}
if(week>7){week=1;}//计算星期日
if(yue==2)
{
if((nian%4==0&&nian%100!=0)|(nian%400==0))//计算闰年
{yue29();}
else {yue28();}
}
else if((yue==
8b9f
4)|(yue==6)|(yue==9)|(yue==11))//计算大小月
{
yue30();
}
else
{yue31();}
if(yue>12){yue=1;nian++;}
{
if(nian>999)
nian=0;
write_nian(1,nian);
}
{
write_nyr(5,yue);
}
{
write_nyr(8,ri);
}
write_fsm(2,shi);
}
write_fsm(5,fen);
}
write_fsm(8,miao);
{
write_week(15,week);
}
{
write_fsm(11,s);
}
{
write_fsm(14,f);
}
{
write_tim(0,n);
}
}
}
void yue31()//大月变量
{
if(ri>31){ri=1;yue++;}
}
void yue30()//小月变量
{
if(ri>30){ri=1;yue++;}
}
void yue29()//闰天变量
{
if(ri>29){ri=1;yue++;}
}
void yue28()//平月变量
{
if(ri>28){ri=1;yue++;}
}
void week7()
{
if(week==7)week=0x27;
}
void main()//主函数
{
wei_1();
duan_1();
init();
while(1)
{
keyk1();
display();
week7();
Timing();
}
}
void time0() interrupt 1//中断子函数
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
count++;//时钟
}
void Timing()//定时闹钟设置。
{
if(n==1)
{
if(shi==s&&fen==f)
werr=0;
else werr=1;
}
if(n==2)
{
if(shi==s&&fen==f)
werr=1;
}
}
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